Durable Carbon Steel: This spring door closer is made of high quality carbon steel. The material is thick and durable, not easy to deform. The surface has a smooth chrome finish for extra protection, reduces friction and noise so you can use it with confidence. Self-closing: This bar door closer adopts spring-loaded tomatic door closing design, which tomatically restores the spring-closed state. It is not necessary to close the door after entering the door, and can Effectively reduce the force when closing the door and protect the door from damage. Adjustable Tension: This garden gate closer can adjust the spring tension according to your actual needs, it is suitable for heavy and light operation, simplifying your daily life. The door closer reduces the force when closing the door gate. Fully tomatic closing and adjustable speed, giving you a secure door locking mechanism. Easy to install: This interior door closer is easy to install, just install and screw it between door frames. Both left and right doors can be installed. Set includes 1 x 14 inch black spring door closer, 2 positioning pins and 1 adjusting pin, 4 screws. Wide range of applications: This exterior door closer is ideal for front doors, gates, farm fences, garden fences and all kinds of left and right wooden door springs. Widely used in home, garden, interior and exterior wooden doors and aluminum doors, giving you more usage scenarios.